%I #5 Mar 30 2012 17:28:13
%S 42768,44921,44922,44923,44924,44925,46656,89424,91577,91578,91579,
%T 91580,91581,93312,136080,138233,138234,138235,138236,138237,139968,
%U 182736,184889,184890,184891,184892,184893
%N n is equal to the number of 4s in all numbers <= n written in base 6.
%Y Cf. A014778.
%K nonn,base,fini,full
%O 1,1
%A _Olivier GĂ©rard_
%E List proved complete by _Hugo van der Sanden_ (cf. A014886).